simple 8086-based microcomputer

basic i8086 system timing

detailed SDK-86 board

SDK-86 complete schematics

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address decoders

interrupts

8254

8259A

8255A

8279

8237 and 8272A

8251A

RS-232C

memory

including controllers

minimal 8086 system

displaying contents of CX register

IBM PC motherboard

credits